The 8 Best Varifocal Lens of 2026

This Arducam lens is a varifocal C-mount optic tailored for the Raspberry Pi High Quality Camera, complete with a C-CS adapter for direct compatibility. It targets makers, hobbyists, and industrial users who need flexible imaging beyond fixed lenses, such as in surveillance, machine vision, or custom telephoto projects on the IMX477 sensor.

Standout features include a 2.8-12mm focal range with manual focus and iris rings, delivering fields of view from 125°(H) wide-angle to 43°(H) telephoto. In real-world use, this versatility shines for adapting to varied distances without swapping lenses, with a bright F1.6 aperture aiding low-light performance and a 0.2m minimum focus for close-ups.

Build quality feels solid with a 44.5x58.5mm aluminum body weighing 140g, making it durable for stationary setups but less ideal for ultra-portable rigs. The included adapter ensures a secure fit, though users must handle all adjustments manually.

Drawbacks include the lack of an IR filter, which limits infrared applications, and the need for precise manual calibration. Overall, it's a strong choice for RPi HQ users seeking zoom flexibility, earning high marks for optical performance in targeted scenarios.

Optical Format: 1/2"

Aperture: F1.6

Focal Length: 2.8-12mm varifocal

Field of View: 125°(H)-43°(H) on 1/2.3" IMX477

Minimum Object Distance: 0.2m

Dimensions: Φ44.5×58.5mm

Weight: 140g

Includes C-CS adapter; no IR filter.

This Arducam lens is a varifocal C-mount optic designed specifically for the Raspberry Pi High Quality Camera, complete with a C-CS adapter for quick setup. It targets makers, industrial users, and RPi photographers who need adjustable optics beyond fixed focal lengths, enabling everything from broad surveillance views to detailed telephoto captures.

Standout features include the 4-12mm focal range with manual focus and aperture rings, providing hands-on control for optimal clarity across distances starting at 0.2m. On the 1/2-inch sensor or IMX477, it delivers impressive FOV from 87.2°(H) down to 39°(H), with real-world performance shining in adjustable scenarios like monitoring or prototyping where fixed lenses fall short.

Build quality is solid for its compact Φ33×43mm size and 67.5g weight, feeling durable for industrial use without unnecessary bulk. The metal construction holds up well, though manual operation demands some practice for quick changes.

Drawbacks include the lack of an IR filter, which may require an add-on for night vision, and separate purchases for tripods or cables. Overall, it excels as a versatile upgrade for RPi HQ users seeking precision without complexity.

Verdict: Highly recommended for those needing focal flexibility on Raspberry Pi setups; its adjustability and compatibility make it a top choice for serious projects.

Optical Format: 1/2"

Aperture: F1.6 - F16

Focal Length: 4-12mm Varifocal

Field of View: 87.2°(H)-39°(H), 80°(H)-32°(H) on 1/2.3" IMX477

Minimum Object Distance: 0.2m

Back Focal Length: 17.53mm

Dimensions: Φ33×43mm

Weight: 67.5g

Includes C-CS adapter. No IR filter.

The XENOCAM 9-22mm 1/3" IR F1.4 vari-focal lens is a manual iris replacement designed for CCTV security cameras, perfect for homeowners, businesses, or professionals upgrading broken or outdated optics. It fits standard M12 mounts and supports versatile shooting from wide landscapes to detailed macros, making it ideal for comprehensive surveillance needs.

Standout features include its adjustable 9-22mm focal length for customizable fields of view and F1.4 aperture for excellent low-light performance, delivering high-definition images with accurate colors and low distortion. In real-world use, it provides crisp footage across various scenarios, reducing blind spots and enhancing overall monitoring effectiveness.

Build quality shines with professional-grade materials that feel solid and promise longevity, even in demanding environments. Installation is straightforward, taking minutes without tools or disassembly, and it integrates seamlessly with existing setups.

Drawbacks include the need for manual iris tweaks in changing light and its specificity to 1/3" sensors, which may not suit all cameras. Overall, this lens offers exceptional value for anyone seeking a high-performing, budget-friendly CCTV upgrade.

Verdict: Highly recommended for reliable, clear surveillance vision that punches above its weight.

Focal Length: 9-22mm

Imager Size: 1/3"

Aperture: F1.4

Mount Type: M12 x 0.5

Minimum Object Distance: 0.2m

Dimensions: 43mm (H) x 28mm (D)

Lens Type: Manual Iris, Vari-Focal Zoom

Missfive 2-pack progressive reading glasses are ideal for men needing seamless vision correction for both mid-range desk activities like computer work or social chats at 3-5 feet and close-up tasks such as reading or phone scrolling. At 2.5x strength, the bottom lens handles fine print while the top provides half-strength clarity for workspace needs, eliminating the hassle of switching pairs.

Standout features include Swiss-imported TR90 frames that are ultra-flexible and shatterproof, reinforced metal spring hinges for a secure yet gentle fit, and ergonomic temple tips that avoid pressure points. Anti-blue light and UV coatings enhance eye comfort during extended screen sessions, with high transmittance HD lenses ensuring sharp, vibrant vision. Real-world performance shines in daily office or home setups, where the multifocal design adapts naturally after a short break-in period.

Build quality reflects 25 years of eyewear expertise from a CE and ISO 9000 certified manufacturer, with every pair undergoing rigorous multi-point inspections. The sporty, lightweight design suits active users, offering long-lasting comfort without the common issues of brittle plastic frames or pinching metal.

Potential drawbacks include expected side blurriness due to the lens blending process, which fades with adaptation, and the need to move your head for precise focus alignment, helping reduce neck strain. Some users may take up to two weeks to fully adjust or find progressives unsuitable, in which case professional consultation is advised.

Overall, these glasses deliver exceptional value for multifunctional vision needs, combining durability, comfort, and versatility in a reliable 2-pack. Highly recommended for workspace warriors seeking bend-proof, no-fuss readers.

Start with short sessions of 1 hour on day one, increasing by 30 minutes daily to adapt. Move your head toward subjects for clear vision rather than just your eyes. If strain persists after 14 days, consult an eye doctor or return for a refund.

Best for near-mid vision at 3-5 feet: table tasks, PC work, desk interactions. Top lens half-strength suits intermediate distances; bottom for close-up. Peripheral blur is normal and improves with use.

The SVPRO USB Camera is a versatile 2MP 1080P webcam designed for industrial, machine vision, and surveillance tasks, featuring a 2.8-12mm varifocal lens with manual focus. It suits professionals in security, 3D printing monitoring, or studio recording who need precise control over focus and zoom for close-up shots, rather than casual users seeking simple video calls.

Standout features include high frame rates up to 100fps at 480P for smooth capture of moving objects, full 1080P resolution with MJPG/YUY2 formats, and a 1/2.7-inch CMOS sensor with IR-cut filter for vibrant, accurate colors. Real-world performance shines in applications like animal observation or video classes, delivering crisp images across adjustable focal lengths from 30° to 90° FOV, with plug-and-play UVC compatibility ensuring quick setup on diverse software and OS.

Build quality features a solid aluminum case with 1/4-inch screw threads and a metal stand for tripod, wall, or surface mounting, making it adaptable for embedded projects or desktops. The 3-meter USB cable and OTG support add convenience for laptops, PCs, or Android devices.

Drawbacks include the need for manual focus adjustments, which can be time-consuming, and reliance on USB 2.0, potentially capping speeds in high-res modes. It lacks a microphone, so pair it with external audio for calls.

Overall, this webcam excels for technical users prioritizing customization and speed over automation, earning strong marks for reliability in demanding environments.

Sensor: 1/2.7” CMOS OV2710

Max Resolution: 1920x1080 @ 30fps (MJPEG), 100fps @ 640x480

Lens: 2.8-12mm varifocal, CS mount, manual focus

FOV: 30°-90°

Connectivity: USB 2.0 UVC, OTG support, 3m cable

Compatibility: Windows, Mac, Linux, Android, Raspberry Pi

Frame Rates: 720P@60fps, 480P@100fps

This Anpviz dome turret camera is a 1080P HD analog security solution designed for DIY CCTV systems, perfect for businesses, homes, or stores seeking reliable monitoring without complex setups. It supports four video formats—TVI, AHD, CVI, and CVBS—making it compatible with most 1080P DVRs from various brands, though it needs a DVR to function and cannot operate standalone.

Standout features include a 2.8-12mm manual varifocal lens offering 4X optical zoom for customizable views, paired with 36 IR LEDs that deliver 100ft night vision in complete darkness. Real-world performance shines in low light with 0.01Lux sensitivity and 20fps smooth playback, ensuring clear identification of details indoors or outdoors.

The all-metal housing is IP66 weatherproof, protecting against dust, rain, snow, and temperatures from -30°C to +60°C, with easy dome or turret mounting. Build quality feels solid for long-term use, though manual focus requires tweaking for optimal sharpness.

Drawbacks include no audio capabilities and the need for separate power and cabling. Overall, it's a strong choice for budget-conscious users upgrading analog systems, delivering professional-grade surveillance value.

Resolution: 1080P HD (1920x1080) @ 20fps

Video Formats: 4-in-1 (TVI/AHD/CVI/960H CVBS)

Lens: 2.8-12mm manual varifocal, 4X optical zoom

Night Vision: 36 IR LEDs, 100ft range, 0.01Lux min. illumination

Weatherproof: IP66, -30°C to +60°C

Power: DC 12V (adapter not included)

Other: No audio; requires DVR

This ELP 5-50mm varifocal USB camera is a high-performance 1080P webcam designed primarily for industrial, medical, and technical applications. Equipped with a Sony IMX323 sensor and H.264 compression, it excels at capturing detailed close-ups or zoomed views, making it perfect for professionals in surgery documentation, electronics repair, surveillance, or Raspberry Pi projects. Its plug-and-play UVC compliance ensures seamless integration with Windows, Linux, Android, Mac, and embedded systems without drivers.

Standout features include a manual 10X optical zoom lens (5-50mm), adjustable aperture, focus rings with lock screws, and exceptional low-light capability down to 0.01 lux. In real-world use, it delivers smooth 30fps 1080P video with accurate colors via white balance and exposure controls, ideal for live streaming on YouTube, Zoom calls, or monitoring bird feeders from afar. The low illumination and high dynamic range handle challenging lighting, from bright sunlight to dim indoors effectively.

Build quality shines with an all-metal housing that's robust and includes 1/4-inch tripod threads on top and bottom for secure mounting. The 3-meter USB cable adds flexibility, and adjustable parameters like brightness, contrast, and gamma allow fine-tuning for optimal results. It's versatile for ATMs, 3D scanners, smart boxes, and hobby projects.

Drawbacks include the fully manual controls, which demand practice for quick adjustments, and lack of auto-focus or microphone, suiting it more for video-only professional tasks than casual webcams. Overall, this camera offers pro-level performance at an accessible level, earning strong recommendation for users needing precision optics and reliability in demanding environments.

Sensor: 1/2.9-inch Sony IMX323

Lens: 5-50mm varifocal, 10X optical zoom

Resolution: 1080P@30fps (H.264/MJPEG/YUY2)

Low Light: 0.01 lux minimum illumination

Connectivity: USB 2.0 UVC, 3m cable, OTG support

Compatibility: Windows, Linux, Android 4.0+, Mac, Raspberry Pi

Other: Tripod mounts, adjustable parameters (brightness, contrast, etc.)

The XENOCAM 2.8-12mm varifocal auto-iris lens is designed for 1/3-inch CS-mount CCTV and box security cameras, making it a go-to choice for professional installers and surveillance enthusiasts seeking adjustable optics. With its DC drive and focal length spanning 2.8-12mm, it offers a horizontal field of view from 95 to 44 degrees, allowing users to customize wide-angle monitoring or focused details effortlessly.

Standout features include the F1.4 aperture for superior low-light performance and automatic iris control that adapts to environmental changes, delivering consistent, sharp images without manual tweaks during operation. In real-world use, it excels in both indoor and outdoor setups, providing clear footage that enhances overall system effectiveness for home, business, or facility security.

Build quality is solid with a robust CS-mount and compact form factor that integrates seamlessly into existing camera housings. The lens feels durable for long-term deployment, though initial zoom and focus require careful manual calibration for peak results.

Potential drawbacks include its specificity to 1/3-inch formats and the need for DC-compatible cameras, which might limit versatility for some users. Still, these are minor for targeted applications.

Overall, this lens earns high marks for performance and value, making it a smart pick for anyone upgrading CCTV systems to achieve professional-grade surveillance.

Focal Length: 2.8-12mm

Image Format: 1/3 inch

Mount Type: CS-Mount

Iris Type: DC Auto-Iris

Aperture: F1.4 - 360

Horizontal Field of View: 95-44 degrees

Choose this lens if you need adjustable zoom for CCTV cameras in variable lighting. Ensure your camera supports 1/3-inch sensors, CS-mount, and DC iris drive. Ideal for box cameras in security systems requiring wide to telephoto flexibility.

Avoid if your setup uses different mounts or manual iris only. Pair with high-resolution cameras for best results.